EP1720429B1 - Siège de support ajustable pour jambes croisées - Google Patents

Siège de support ajustable pour jambes croisées Download PDF

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Publication number
EP1720429B1
EP1720429B1 EP05706482A EP05706482A EP1720429B1 EP 1720429 B1 EP1720429 B1 EP 1720429B1 EP 05706482 A EP05706482 A EP 05706482A EP 05706482 A EP05706482 A EP 05706482A EP 1720429 B1 EP1720429 B1 EP 1720429B1
Authority
EP
European Patent Office
Prior art keywords
seat
user
leg supports
cross
legged
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP05706482A
Other languages
German (de)
English (en)
Other versions
EP1720429A4 (fr
EP1720429A1 (fr
Inventor
Carl Christopher Brodeur
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Brodesigns Inc
Original Assignee
Brodesigns Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Brodesigns Inc filed Critical Brodesigns Inc
Publication of EP1720429A1 publication Critical patent/EP1720429A1/fr
Publication of EP1720429A4 publication Critical patent/EP1720429A4/fr
Application granted granted Critical
Publication of EP1720429B1 publication Critical patent/EP1720429B1/fr
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C9/00—Stools for specified purposes
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C15/00—Other seating furniture
    • A47C15/004—Seating furniture for specified purposes not covered by main groups A47C1/00 or A47C9/00
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/02—Seat parts
    • A47C7/024—Seat parts with double seats
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/50—Supports for the feet or the legs coupled to fixed parts of the chair
    • A47C7/503—Supports for the feet or the legs coupled to fixed parts of the chair with double foot-rests or leg-rests
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C9/00—Stools for specified purposes
    • A47C9/002—Stools for specified purposes with exercising means or having special therapeutic or ergonomic effects

Definitions

  • the present invention relates to an apparatus for supporting a user sitting in a cross-legged position and a method for allowing a user to sit in a cross-legged position comprising the step of providing said apparatus.
  • U.S. Pat. No. 5,605,379 discloses a chair with its height and its seat adapted to the contour of a user's body such contour resulting from the user's legs.
  • this chair cannot be adjusted to improve the comfort level of different users.
  • German patent DE 196 05 779 discloses a vehicle seat with adjustable flank cushions.
  • the problem underlying the present invention is to provide an apparatus for supporting a user sitting in a cross-legged position and a method for allowing a user to sit in a cross-legged position comprising the step of providing said apparatus.
  • an apparatus for supporting a user sitting in a cross-legged position comprising: a seat (11); a base (40) operatively connected to the seat for supporting the seat; and adjustable leg supports (12,13) each hingedly connected to either side of the seat for providing support for each of the user's legs while the user sits in a cross- legged position, wherein the leg supports (12,13) are loaded from the weight of the user's legs, and wherein the leg supports (12,13) are adjusted by pivoting the leg supports (12,13) about hinges (21,22) and the leg supports (12,13) are held in place using an adjustable arm (25) connecting each of the leg supports (12,13) to the seat.
  • the adjustable arm (25) consists of an arm slider (26) and receptacle (27).
  • the adjustable arm (26) includes a locking device for fixing the adjusted position.
  • the receptacle (27) includes an elastic spring system (24) for reciprocating the slider (26).
  • the receptacle (27) includes an air pressure system for reciprocating the slider.
  • the receptacle (27) includes an oil pressure system for reciprocating the slider (26).
  • the receptacle (27) includes a hydraulic pressure system for reciprocating the slider (26).
  • the cross-legged position is a cross-legged yoga position.
  • the seat (11) tapers inward from the user's hips to accommodate the leg supports (12, 13) and then curves outward to accommodate the user's feet while sitting in a cross-legged position.
  • the form of the seat (11) defines tapered recesses which are meant to allow room for the user's legs when sitting in a conventional manner on the apparatus.
  • the base (40) is an office chair base or wooden chair base.
  • the base (40) is an office chair base (50) including a stem and a floor base (51).
  • the floor base (51) includes wheels (52) for providing mobility.
  • the apparatus comprises a bracket (23) attached to the seat (11) for supporting strongly the leg supports (12,13) and allowing each leg support (12, 13) to move in a broader range of angle.
  • the apparatus comprises a back support (30) hingedly connected to the rear of the seat.
  • the back support (30) includes an adjustable back rest (14) for supporting a user's back.
  • a method for allowing a user to sit in a cross-legged position comprising the step of: providing an apparatus including a seat (11), an apparatus base (40) operatively connected to the seat (11) for supporting the seat (11), and adjustable leg supports (12, 13) each hingedly connected to either side of the seat (11) for providing support for each of the user's legs while the user sits in a cross-legged position, wherein the leg supports (12,13) are loaded from the weight of the user's legs and wherein the leg supports (12,13) are adjusted by pivoting the leg supports (12,13) about hinges (21,22) and the leg supports (12,13) are held in place using an adjustable arm (25) connecting each of the leg supports (12,13) to the seat.
  • the apparatus according to the present invention is a chair, provided for allowing a user to sit in a cross-legged yoga position comprising: a seat; a chair base operatively connected to the seat for supporting the seat; leg support members for providing support for each of a user's legs while the user sits in a cross-legged position; and an adjustable support system including an adjustable arm connected to the seat and each leg support member for allowing a user to adjust the height of each leg support member according to the user's comfort level.
  • the apparatus according to the present invention is a chair, provided including a seat halving a surface area wide enough to allow a user to sit on the seat in a cross-legged position and having a tapered front to allow a user's legs to hang comfortably over the front of seat while the user sits in a conventional manner, and a chair base operatively connected to the seat for supporting the seat, the chair base for allowing use of the chair in an office environment or other environments where conventional chairs are usually used.
  • the chair provides flexibility by allowing users to choose how they wish to sit thereby increasing the versatility of the chair.
  • the apparatus according to the present invention is a seat which accommodates a user sitting in a cross-legged meditation or yogic meditation or exercise posture or which is equally capable of supporting the user sitting in a conventional manner.
  • the present invention employs a highly effective method of adjusting the leg support members, allowing a user to select the desired angle of thigh support when sitting in a cross-legged position.
  • the apparatus according to the present invention includes a fully adjustable or fixed back support connected to the rear of the seat for providing back support to the user.
  • the apparatus combines the functionality of conventional chairs' heights which is suitable for use in a plurality of environments typically found in North America with an effective adjustable support system to allow a user to sit in a cross-legged position to experience the benefits of sitting in a meditation or yogic meditation or exercise posture.
  • the present invention generally includes a seat 11, adjustable leg supports 12 and 13 and a conventional chair base 40 connected to and supporting the seat 11.
  • Leg supports 12 and 13 are hingedly connected to seat 11 and thus to conventional chair base 40.
  • a user sits cross-legged on seat 11 and adjusts the leg supports 12 and 13 up or down as required to change the angle at which the user's legs will be supported to maximize the user's comfort level.
  • the leg supports 12 and 13 are adjusted by pivoting the leg supports about hinges 21 and 22, which are connected to the seat 11.
  • the leg supports 12 and 13 may then be held in place using any mechanism 25 which is adjustable in length.
  • the seat 11 is also designed to allow a user to sit in a conventional fashion if desired.
  • the leg supports 12 and 13 are each connected to the seat 11 by an adjustable arm 25 to allow the leg supports 12 and 13 to be adjusted by the user.
  • the adjustable arm 25 includes an arm slider 26 and a receptacle 27.
  • An arm slider 26 and receptacle 27 are hingedly mounted between the seat 11 and each of the leg supports 12 and 13, respectively.
  • the arm slider 26 and receptacle 27 may be hingedly mounted on a bracket 23 which is attached to the seat 11 and each of the leg supports 12 and 13.
  • the bracket 23 is adapted to ensure a strong connection between the seat 11 and each of the leg supports 12 and 13 to increase the support for the legs supports 12 and 13 and to allow the leg supports 12 and 13 to be raised higher.
  • the bracket 23 also allows the adjustable arm 25 to adjust smoothly through the full range of motion allowing for abroad range of angles for the leg supports 12 and 13, in particular when near-flat or at low relative angles to the seat.
  • the receptacle 27 includes an elastic spring 24 which compresses and extends depending upon the weight placed upon the leg support 12 or 13.
  • the leg supports 12 and 13 are loaded from the weight of the user's legs, which then apply downward pressure on the adjustable arm 25.
  • the arm slider 26 slides into the receptacle 27 and compresses the elastic spring 24.
  • the arm slider 26 slides out of receptacle 27 by the restoration force of elastic spring 24. Therefore, the user leg supports 12 and 13 allow the user to adjust the angle of the leg supports 12 and 13 independently of each other anywhere between 0 and about 50 degrees relative to the plane of the seat 11.
  • the arm slider 26 and the receptacle 27 also maybe operated by an air pressure system, an oil pressure system, a hydraulic system or any other appropriate mechanism known to those skilled in the art.
  • the adjustable arm 25 may also include a locking device (not shown) for allowing a user to lock the leg supports 12 and 13 in a stable position based upon the desired angle of thigh support when sitting in a cross-legged position.
  • a user unlocks the locking device and lifts the leg supports 12 and 13 to desired angle.
  • a user then locks the locking device to secure the adjustable arm 25 to prevent movement to the leg supports 12 and 13.
  • the chair may include a lower back support 30.
  • the back support 30 is connected to the seat 11.
  • the top of the back support 30 consists of a back rest 14 for supporting a user's back.
  • the back rest 14 is hingedly connected to the back support 30 to allow adjustment to increase the user's comfort level.
  • the back support 30 also may have a shape for aligning the pelvic bone with the rest of the user's spinal column for maximizing the postural benefits of sitting in the chair.
  • set 11 may have a particulars shape to ensure that it supports both cross-legged and conventional seating.
  • seat 11 tapers inward from the user's hips to accommodate the leg supports 12 and 13 and then curves outward to accommodate a user's feet while sitting in a cross-legged position.
  • the front of seat 11 defines tapered recesses which are meant to allow room for a user's legs when sitting in a conventional manner on the chair.
  • the surface of the seat 11, leg supports 12 and 13 and the lower back support 30 may be optionally padded with foam or other padding material, and then covered with suitable upholstery (not shown).
  • chair base 40 is any chair base of a suitable height for work environments typically found in North America, such as an office chair base or wooden chair base.
  • office chair base 50 is a type typically found on office chairs. More specifically, the office chair base 50 includes a stem (not shown) and a floor base 51. The floor base 51 may include wheels 52 for providing mobility. The stem may be height adjustable to ensure that the chair can be adjusted to a height suitable for the user's environment.

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  • Special Chairs (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)

Abstract

L'invention concerne un dispositif de siège permettant à un utilisateur de s'asseoir soit en position de yoga avec les jambes croisées, soit de manière traditionnelle. Ledit dispositif peut comprendre un siège de support d'un utilisateur et deux supports ajustables de jambes servant à soutenir les cuisses droite et gauche d'un utilisateur à un angle souhaité, lorsque ledit utilisateur s'assoit dans une position avec les jambes croisées. Le siège peut également présenter un support de dos fixé. Dans un autre mode de réalisation, le dispositif de siège comprend un siège pourvu, d'une part, d'une zone de surface suffisamment large pour permettre à un utilisateur de s'asseoir sur le siège dans une position avec les jambes croisées et, d'autre part, d'une partie avant conique conçue pour permettre aux jambes d'un utilisateur de retomber confortablement sur la partie avant du siège, tandis que l'utilisateur est assis de manière traditionnelle. Ce dispositif de siège comporte également une base rattachée fonctionnellement au siège afin de soutenir le siège, ladite base permettant d'utiliser le dispositif de siège dans un environnement à la hauteur habituelle des chaises.

Claims (17)

  1. Appareil pour supporter un utilisateur assis dans une position de jambes croisées comprenant : un siège (11) ; une base (40) reliée en fonctionnement au siège pour supporter le siège ; et des supports de jambe réglables (12, 13) étant chacun reliés par charnière à un côté du siège pour soutenir chacune des jambes de l'utilisateur pendant que l'utilisateur est assis dans une position de jambes croisées, dans lequel les supports de jambe (12, 13) sont chargés du poids des jambes de l'utilisateur et dans lequel les supports de jambe (12, 13) sont réglés en faisant pivoter les supports de jambe (12, 13) autour des charnières (21, 22) et les supports de jambe (12, 13) sont maintenus en place à l'aide d'un bras réglable (25) reliant chacun des supports de jambe (12, 13) au siège.
  2. Appareil selon la revendication, 1 dans lequel le bras réglable (25) se compose d'un coulisseau de bras (26) et d'un réceptacle (27).
  3. Appareil selon la revendication 1, dans lequel le bras réglable (25) comprend un dispositif de verrouillage pour bloquer la position réglée.
  4. Appareil selon la revendication 2, dans lequel le réceptacle (27) comprend un système de ressort élastique (24) pour imprimer au coulisseau (26) un mouvement de va-et-vient.
  5. Appareil selon la revendication 2, dans lequel le réceptacle (27) comprend un système de pression pneumatique pour imprimer au coulisseau un mouvement de va-et-vient.
  6. Appareil selon la revendication 2, dans lequel le réceptacle (27) comprend un système de pression d'huile pour imprimer au coulisseau (26) un mouvement de va-et-vient.
  7. Appareil selon la revendication 2, dans lequel le réceptacle (27) comprend un système de pression hydraulique pour imprimer au coulisseau (26) un mouvement de va-et-vient.
  8. Appareil selon l'une quelconque des revendications précédentes, dans lequel la position de jambes croisées est une position de yoga avec jambes croisées.
  9. Appareil selon l'une quelconque des revendications précédentes, dans lequel le siège (11) se rétrécit vers l'intérieur en partant des hanches de l'utilisateur pour recevoir les supports de jambe (12, 13) puis s'incurve vers l'extérieur pour recevoir les pieds de l'utilisateur pendant que celui-ci est assis dans une position de jambes croisées.
  10. Appareil selon l'une quelconque des revendications précédentes, dans lequel la forme du siège (11) définit des renfoncements effilés conçus pour donner de l'espace aux jambes de l'utilisateur lorsqu'il est assis de façon classique sur l'appareil.
  11. Appareil selon l'une quelconque des revendications précédentes, dans lequel la base (40) est une base de chaise de bureau ou une base de chaise en bois.
  12. Appareil selon la revendication 11, dans lequel la base (40) est une base de chaise de bureau (50) comprenant une tige et une base au sol (51).
  13. Appareil selon la revendication 12, dans lequel la base au sol (51) comprend des roues (52) pour assurer la mobilité de la chaise.
  14. Appareil selon l'une quelconque des revendications précédentes, dans lequel l'appareil comprend un support (23) fixé au siège (11) pour supporter fermement les supports de jambe (12, 13) et permettre à chaque support de jambe (12, 13) de se déplacer selon une plage angulaire plus importante.
  15. Appareil selon l'une quelconque des revendications précédentes, dans lequel l'appareil comprend un support de dossier (30) relié par charnière à l'arrière du siège.
  16. Appareil selon la revendication 15, dans lequel le support de dossier (30) comprend un dossier réglable (14) conçu pour soutenir le dos d'un utilisateur.
  17. Procédé pour permettre à un utilisateur de s'assoir dans une position de jambes croisées comprenant l'étape de : réalisation d'un appareil comprenant un siège (11), une base d'appareil (40) reliée en fonctionnement au siège (11) pour supporter le siège (11) et des supports de jambe réglables (12, 13) chacun reliés par charnière à un côté du siège (11) pour soutenir chacune des jambes de l'utilisateur pendant que l'utilisateur est assis dans une position de jambes croisées, dans lequel les supports de jambe (12, 13) sont chargés du poids des jambes de l'utilisateur et dans lequel les supports de jambe (12, 13) sont réglés en faisant pivoter les supports de jambe (12, 13) autour des charnières (21, 22) et les supports de jambe (12, 13) sont maintenus en place à l'aide d'un bras réglable (25) reliant chacun des supports de jambe (12, 13) au siège.
EP05706482A 2004-02-12 2005-02-11 Siège de support ajustable pour jambes croisées Active EP1720429B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US54367804P 2004-02-12 2004-02-12
PCT/CA2005/000174 WO2005077224A1 (fr) 2004-02-12 2005-02-11 Siege de support ajustable pour jambes croisees
US11/588,535 US7628455B2 (en) 2004-02-12 2006-10-27 Adjustable cross-legged support seat

Publications (3)

Publication Number Publication Date
EP1720429A1 EP1720429A1 (fr) 2006-11-15
EP1720429A4 EP1720429A4 (fr) 2008-11-05
EP1720429B1 true EP1720429B1 (fr) 2012-01-04

Family

ID=43027692

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05706482A Active EP1720429B1 (fr) 2004-02-12 2005-02-11 Siège de support ajustable pour jambes croisées

Country Status (6)

Country Link
US (2) US20050179291A1 (fr)
EP (1) EP1720429B1 (fr)
CN (1) CN1942122A (fr)
AU (1) AU2005211844B2 (fr)
CA (2) CA2596533C (fr)
WO (1) WO2005077224A1 (fr)

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Publication number Publication date
CA2608262A1 (fr) 2008-04-27
CA2596533C (fr) 2012-01-10
US20070126271A1 (en) 2007-06-07
US7628455B2 (en) 2009-12-08
AU2005211844B2 (en) 2010-03-11
EP1720429A4 (fr) 2008-11-05
EP1720429A1 (fr) 2006-11-15
US20050179291A1 (en) 2005-08-18
CN1942122A (zh) 2007-04-04
WO2005077224A8 (fr) 2005-10-27
CA2596533A1 (fr) 2005-08-25
AU2005211844A1 (en) 2005-08-25
WO2005077224A1 (fr) 2005-08-25

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